CBSE Maths 12 Science MCQ Three Dimensional Geometry Answers in English

CBSE Maths 12 Science MCQ Three Dimensional Geometry Answers in English to enable students to get Answers in a narrative video format for the specific question.

Expert Teacher provides CBSE Maths 12 Science MCQ Three Dimensional Geometry Answers through Video Answers in English language. This video solution will be useful for students to understand how to write an answer in exam in order to score more marks. This teacher uses a narrative style for a question from Three Dimensional Geometry not only to explain the proper method of answering question, but deriving right answer too.

Please find the question below and view the Answer in a narrative video format.

Question:

Find the angle between the lines whose direction ratios are a, b, c and b - c, c - a, a - b.

Answer Video in English:

Similar Questions from CBSE, 12th Science, Maths, Three Dimensional Geometry

Question 1 : If a line makes angles Question with the positive direction of co-ordinate axes, then write the value of Question (View Answer Video)

Question 2 : If a line marks angles QuestionQuestion and Questionwith x, y and z-axis respectively, where Question is acute, then find Question. (View Answer Video)

Question 3 : Find the angle between line Question and the plane 2x - y + 2z -13 = 0. (View Answer Video)

Question 4 : Find the vector equation of the plane which contains the line of intersection of the planes Question and Question and which is perpendicular to the plane Question (View Answer Video)

Question 5 : If a lines makes angle Questionand Question with the positive directions of x-axis and z-axis respectively, then find the angle that it makes with the y-axis. (View Answer Video)

Questions from Other Chapters of CBSE, 12th Science, Maths

Linear Programming

Question 1 : The objective function is maximum or minimum, which lies on the boundary of the feasible region. (View Answer Video)

Probability

Question 1 : An experiment succeeds thrice as often as it fails. Find the probability that in the next trials, there will be atleast 3 successes.    (View Answer Video)

Question 2 :  A die is rolled. If E= (1, 3, 5), F(2, 3) and G= {2, 3, 4, 5}, find Question (View Answer Video)

Question 3 : An urn contains 3 white and 6 red balls. Four balls are drawn one by one with replacement from the urn. Find the probability distribution of the number of red balls drawn. Also, find mean and variance of distribution.    (View Answer Video)

Question 4 : If P(A)=Question, P(B)=Question and Question=Question, find Question. (View Answer Video)

Question 5 : A speaks truth in 75% of the cases, while B in 90% of the cases. In what percent of cases are they likely to contradict each other in stating the same fact? Do you think that statement of B is always true?     (View Answer Video)

Application of Derivatives

Question 1 : The volume of a cube is increasing at the rate of 9 cubic centimetres per second. How fast is the surface area increasing when the length of an edge is 10 centimetres? (View Answer Video)

Question 2 : The normal at the point (1, 1) on the curve Question is; (View Answer Video)

Question 3 : Find approximate value of  Question (View Answer Video)

Question 4 :

The total revenue in Rupees received from the sale of 'x' units of a product is given by :

                                    Question
The marginal revenue, when x=15 is :
 

(View Answer Video)

Question 5 : A balloon, which always remains spherical has a variable radius. Find the rate at which its volume is increasing with the radius when the later is 10 cm.  (View Answer Video)